Indicates the kind of statistic represented by a [StatisticalVariable](https://schema.org/StatisticalVariable), e.g. mean, count etc. The value of statType is a property, either from within Schema.org (e.g. [median](https://schema.org/median), [marginOfError](https://schema.org/marginOfError), [maxValue](https://schema.org/maxValue), [minValue](https://schema.org/minValue)) or from other compatible (e.g. RDF) systems such as DataCommons.org or Wikidata.org.